填空题

It is difficult to imagine the sea ever running out of fish. It’s so vast, so deep, so (36) . Unfortunately, it is not bottomless. Over-fishing, (37) with destructive fishing practices, is killing off the fish and ruining their (38) Destroy the fish, and you destroy the fishermen’s means of living. At least 60 (39) of the world’s commercially important fish (40) are already over-fished, or fished to the limit. As a result, governments have had to close down some areas of sea to (41) fishing. Big, high-tech fleets ensure that everything in their path is pulled out Of water. Anything too small, or the wrong thing, is (42) back either dead or dying. That’s an (43) of more than 20 million metric tons every year. When you consider that equals a quarter of the world catch, you begin to see the size of the problem. (44) , simply for being in the wrong place at the wrong time. True, some countries are beginning to deal with this problem, (45) It would make sense to give the fish enough time to recover, grow to full size and reproduce, (46)